1 ###################################################
2 # Samba3 server generator for IDL structures
3 # on top of Samba4 style NDR functions
4 # Copyright jelmer@samba.org 2005-2006
5 # released under the GNU GPL
7 package Parse::Pidl::Samba3::ServerNDR;
11 @EXPORT_OK = qw(DeclLevel);
14 use Parse::Pidl qw(warning fatal);
15 use Parse::Pidl::Typelist qw(mapTypeName scalar_is_reference);
16 use Parse::Pidl::Util qw(ParseExpr has_property is_constant);
17 use Parse::Pidl::NDR qw(GetNextLevel);
18 use Parse::Pidl::Samba4 qw(ElementStars DeclLong);
19 use Parse::Pidl::Samba4::Header qw(GenerateFunctionOutEnv);
21 use vars qw($VERSION);
27 sub indent() { $tabs.="\t"; }
28 sub deindent() { $tabs = substr($tabs, 1); }
29 sub pidl($) { my ($txt) = @_; $res .= $txt?$tabs.(shift)."\n":"\n"; }
30 sub pidl_hdr($) { $res_hdr .= (shift)."\n"; }
31 sub fn_declare($) { my ($n) = @_; pidl $n; pidl_hdr "$n;"; }
38 if (has_property($e, "charset")) {
41 $res .= mapTypeName($e->{TYPE});
44 my $stars = ElementStars($e, $l);
46 $res .= " ".$stars unless ($stars eq "");
53 my ($e, $mem_ctx, $name, $env) = @_;
55 my $l = $e->{LEVELS}[0];
57 # we skip pointer to arrays
58 if ($l->{TYPE} eq "POINTER") {
59 my $nl = GetNextLevel($e, $l);
60 $l = $nl if ($nl->{TYPE} eq "ARRAY");
63 # we don't support multi-dimentional arrays yet
64 if ($l->{TYPE} eq "ARRAY") {
65 my $nl = GetNextLevel($e, $l);
66 if ($nl->{TYPE} eq "ARRAY") {
67 fatal($e->{ORIGINAL},"multi-dimentional [out] arrays are not supported!");
71 if ($l->{TYPE} eq "ARRAY") {
72 my $size = ParseExpr($l->{SIZE_IS}, $env, $e);
73 pidl "$name = talloc_zero_array($mem_ctx, " . DeclLevel($e, 1) . ", $size);";
75 pidl "$name = talloc_zero($mem_ctx, " . DeclLevel($e, 1) . ");";
78 pidl "if ($name == NULL) {";
79 pidl "\ttalloc_free($mem_ctx);";
80 pidl "\treturn false;";
89 my $op = "NDR_".uc($fn->{NAME});
91 pidl "static bool api_$fn->{NAME}(pipes_struct *p)";
94 pidl "const struct ndr_interface_call *call;";
95 pidl "struct ndr_pull *pull;";
96 pidl "struct ndr_push *push;";
97 pidl "enum ndr_err_code ndr_err;";
98 pidl "DATA_BLOB blob;";
99 pidl "struct $fn->{NAME} *r;";
101 pidl "call = &ndr_table_$if->{NAME}.calls[$op];";
103 pidl "r = talloc(talloc_tos(), struct $fn->{NAME});";
104 pidl "if (r == NULL) {";
105 pidl "\treturn false;";
108 pidl "if (!prs_data_blob(&p->in_data.data, &blob, r)) {";
109 pidl "\ttalloc_free(r);";
110 pidl "\treturn false;";
113 pidl "pull = ndr_pull_init_blob(&blob, r, NULL);";
114 pidl "if (pull == NULL) {";
115 pidl "\ttalloc_free(r);";
116 pidl "\treturn false;";
119 pidl "pull->flags |= LIBNDR_FLAG_REF_ALLOC;";
120 pidl "ndr_err = call->ndr_pull(pull, NDR_IN, r);";
121 pidl "if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {";
122 pidl "\ttalloc_free(r);";
123 pidl "\treturn false;";
126 pidl "if (DEBUGLEVEL >= 10) {";
127 pidl "\tNDR_PRINT_IN_DEBUG($fn->{NAME}, r);";
131 my $env = GenerateFunctionOutEnv($fn);
133 foreach (@{$fn->{ELEMENTS}}) {
134 if (grep(/out/, @{$_->{DIRECTION}})) { $hasout = 1; }
137 pidl "ZERO_STRUCT(r->out);" if ($hasout);
139 my $proto = "_$fn->{NAME}(pipes_struct *p, struct $fn->{NAME} *r";
140 my $ret = "_$fn->{NAME}(p, r";
141 foreach (@{$fn->{ELEMENTS}}) {
142 my @dir = @{$_->{DIRECTION}};
143 if (grep(/in/, @dir) and grep(/out/, @dir)) {
144 pidl "r->out.$_->{NAME} = r->in.$_->{NAME};";
145 } elsif (grep(/out/, @dir) and not
146 has_property($_, "represent_as")) {
147 AllocOutVar($_, "r", "r->out.$_->{NAME}", $env);
153 if ($fn->{RETURN_TYPE}) {
154 $ret = "r->out.result = $ret";
155 $proto = "$fn->{RETURN_TYPE} $proto";
157 $proto = "void $proto";
164 pidl "if (p->rng_fault_state) {";
165 pidl "\ttalloc_free(r);";
166 pidl "\t/* Return true here, srv_pipe_hnd.c will take care */";
167 pidl "\treturn true;";
170 pidl "if (DEBUGLEVEL >= 10) {";
171 pidl "\tNDR_PRINT_OUT_DEBUG($fn->{NAME}, r);";
174 pidl "push = ndr_push_init_ctx(r);";
175 pidl "if (push == NULL) {";
176 pidl "\ttalloc_free(r);";
177 pidl "\treturn false;";
180 pidl "ndr_err = call->ndr_push(push, NDR_OUT, r);";
181 pidl "if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {";
182 pidl "\ttalloc_free(r);";
183 pidl "\treturn false;";
186 pidl "blob = ndr_push_blob(push);";
187 pidl "if (!prs_copy_data_in(&p->out_data.rdata, (const char *)blob.data, (uint32_t)blob.length)) {";
188 pidl "\ttalloc_free(r);";
189 pidl "\treturn false;";
192 pidl "talloc_free(r);";
200 sub ParseInterface($)
204 my $uif = uc($if->{NAME});
206 pidl_hdr "#ifndef __SRV_$uif\__";
207 pidl_hdr "#define __SRV_$uif\__";
208 ParseFunction($if, $_) foreach (@{$if->{FUNCTIONS}});
212 pidl "static struct api_struct api_$if->{NAME}_cmds[] = ";
216 foreach (@{$if->{FUNCTIONS}}) {
217 pidl "{\"" . uc($_->{NAME}) . "\", NDR_" . uc($_->{NAME}) . ", api_$_->{NAME}},";
225 pidl_hdr "void $if->{NAME}_get_pipe_fns(struct api_struct **fns, int *n_fns);";
226 pidl "void $if->{NAME}_get_pipe_fns(struct api_struct **fns, int *n_fns)";
229 pidl "*fns = api_$if->{NAME}_cmds;";
230 pidl "*n_fns = sizeof(api_$if->{NAME}_cmds) / sizeof(struct api_struct);";
235 pidl_hdr "NTSTATUS rpc_$if->{NAME}_init(void);";
236 pidl "NTSTATUS rpc_$if->{NAME}_init(void)";
238 pidl "\treturn rpc_pipe_register_commands(SMB_RPC_INTERFACE_VERSION, \"$if->{NAME}\", \"$if->{NAME}\", \&ndr_table_$if->{NAME}.syntax_id, api_$if->{NAME}_cmds, sizeof(api_$if->{NAME}_cmds) / sizeof(struct api_struct));";
241 pidl_hdr "#endif /* __SRV_$uif\__ */";
246 my($ndr,$header,$ndr_header) = @_;
252 pidl " * Unix SMB/CIFS implementation.";
253 pidl " * server auto-generated by pidl. DO NOT MODIFY!";
256 pidl "#include \"includes.h\"";
257 pidl "#include \"$header\"";
258 pidl_hdr "#include \"$ndr_header\"";
262 ParseInterface($_) if ($_->{TYPE} eq "INTERFACE");
265 return ($res, $res_hdr);